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In the US alone, 127 billion plastic bottles are purchased every year, according to one estimate.

await Stream.pipeTo(source, writer);

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值得一提的是，蜜雪冰城旗舰总部片区位于郑州高铁东站附近，已经成为不少年轻人和游客的「打卡地」；未来这一片区周边还将迎来「商超顶流」胖东来。